TY - GEN AU - Zack,B G TI - XXYY syndrome discovered on routine physical examination SN - 0197-0070 PY - 1982///0212 KW - Adult KW - Humans KW - Male KW - Physical Examination KW - Sex Chromosome Aberrations KW - diagnosis N1 - Publication Type: Case Reports; Journal Article UR - https://doi.org/10.1016/s0197-0070(80)80012-x ER -